Stage: One stage Voltage: 100-240V Frequency: 50/60Hz Input Power: 400-1200W Insulation Class: A, B. E and F Max Vacuum: 22.0kPa Max Air Flow: 2.8m3/min Max Efficieny: 34% Mainly application: Civil vacuum cleaners, bubble bath Pumps, stage smog maker and other home appliance. Motor design can do according to customers special requirements.